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(11)

EP 1 738 018 A1

(12)

(43) Date of publication: 03.01.2007 Bulletin 2007/01 (21) Application number: 05729949.7 (22) Date of filing: 23.03.2005

(51) International Patent Classification (IPC):  D06H 3/00(2006.01) G01N 21/89(2006.01) (86) International application number: PCT/US2005/009741 (87) International publication number: WO 2005/106104 (10.11.2005 Gazette 2005/45)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR (30) Priority: 19.04.2004 US 826995 (71) Applicant: 3M Innovative Properties Company St. Paul, MN 55133-3427 (US)	(72) Inventors: FLOEDER, Steven, P. Saint Paul, MN 55133-3427 (US) MASTERMAN, James, A. Saint Paul, MN 55133-3427 (US) SKEPS, Carl, J. Saint Paul, MN 55133-3427 (US) (74) Representative: Vossius & Partner  Siebertstrasse 4 81675 München 81675 München (DE)